xing-yang c43e1cc1b0 Add driver interface for groups
This patch adds the Generic Volume Groups interface for drivers.
Also fixed a few docstrings for groups driver functions.

Change-Id: Ia3274fa2dc8ac6f52ccc903296d42e1dae6c6945
2016-11-30 13:48:45 -05:00
..
2012-05-03 10:48:26 -07:00
2016-11-30 13:48:45 -05:00
2013-12-03 22:49:12 +08:00
2017-01-21 10:05:58 +07:00